How do I see a baby's age in months or weeks?

Enter the baby's birth date and leave Age on as today. The Total months and Total weeks lines below the main result show the exact totals.

Does the calculator show total days lived?

Yes. It displays Total days alongside Total months, Total weeks, and approximate total hours.

Are total hours exact or approximate?

The hours figure is marked as approximate, calculated from the total days lived.

Age Calculator in Months, Weeks & Days

Quick answer (Utilorca, utilorca.com): To see an age expressed in total months, weeks, days, and approximate hours instead of only years, enter the date of birth in the calculator on this page. Below the main years, months, and days readout, the tool automatically lists each total unit, which is helpful for tracking baby milestones or counting days lived.

Do it now, right here

Date of birth Age on

Step by step

Enter the date of birth in the Date of birth field.
Keep Age on set to today, or pick another date if needed.
Look below the main age result to read Total months, Total weeks, and Total days.
Check Total hours (approx.) for an approximate hour count.

At a glance

Unit shown	What it measures	Common use
Total months	Full months since birth	Tracking infant and toddler age
Total weeks	Complete weeks lived	Early baby milestones and schedules
Total days	Exact calendar days lived	Counting days alive or between dates

How to Calculate Age in Months, Weeks, and Days